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nixos/tests: add tests for exercising various hardening features

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This test exercises the linux_hardened kernel along with the various
hardening features (enabled via the hardened profile).

Move hidepid test from misc, so that misc can go back to testing a vanilla
configuration.
This commit is contained in:
Joachim Fasting 2017-04-30 08:38:47 +02:00
parent ab4fa1cce4
commit ffa83edf4a
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GPG key ID: 7544761007FE4E08
3 changed files with 32 additions and 9 deletions
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1
nixos/release.nix
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@ -248,6 +248,7 @@ in rec {
tests.gocd-server = callTest tests/gocd-server.nix {};
tests.gnome3 = callTest tests/gnome3.nix {};
tests.gnome3-gdm = callTest tests/gnome3-gdm.nix {};
tests.hardened = callTest tests/hardened.nix { };
tests.hibernate = callTest tests/hibernate.nix {};
tests.hound = callTest tests/hound.nix {};
tests.i3wm = callTest tests/i3wm.nix {};

31
nixos/tests/hardened.nix Normal file
View file

@ -0,0 +1,31 @@
import ./make-test.nix ({ pkgs, ...} : {
name = "hardened";
meta = with pkgs.stdenv.lib.maintainers; {
maintainers = [ joachifm ];
};
machine =
{ config, lib, pkgs, ... }:
with lib;
{ users.users.alice = { isNormalUser = true; extraGroups = [ "proc" ]; };
users.users.sybil = { isNormalUser = true; group = "wheel"; };
imports = [ ../modules/profiles/hardened.nix ];
};
testScript =
''
# Test hidepid
subtest "hidepid", sub {
$machine->succeed("grep -Fq hidepid=2 /proc/mounts");
$machine->succeed("[ `su - sybil -c 'pgrep -c -u root'` = 0 ]");
$machine->succeed("[ `su - alice -c 'pgrep -c -u root'` != 0 ]");
};
# Test kernel module hardening
subtest "lock-modules", sub {
$machine->waitForUnit("multi-user.target");
# note: this better a be module we normally wouldn't load ...
$machine->fail("modprobe dccp");
};
'';
})

9
nixos/tests/misc.nix
View file

@ -25,8 +25,6 @@ import ./make-test.nix ({ pkgs, ...} : {
};
users.users.sybil = { isNormalUser = true; group = "wheel"; };
security.sudo = { enable = true; wheelNeedsPassword = false; };
security.hideProcessInformation = true;
users.users.alice = { isNormalUser = true; extraGroups = [ "proc" ]; };
};
testScript =
@ -119,12 +117,5 @@ import ./make-test.nix ({ pkgs, ...} : {
subtest "sudo", sub {
$machine->succeed("su - sybil -c 'sudo true'");
};
# Test hidepid
subtest "hidepid", sub {
$machine->succeed("grep -Fq hidepid=2 /proc/mounts");
$machine->succeed("[ `su - sybil -c 'pgrep -c -u root'` = 0 ]");
$machine->succeed("[ `su - alice -c 'pgrep -c -u root'` != 0 ]");
};
'';
})